Overview

To complete this worksheet, select:
Module: Distribution
Activity: Anatomy Overviews
Title: Cardiovascular System: Overview

1. Click Heart Structures and Conduction System, and locate each of the following.

Tricuspid Valve / Aortic Semilunar Valve / Bicuspid (Mitral) Valve
Pulmonary Semilunar Valve / Myocardium (heart muscle) / Aorta
Left Common Carotid Artery / Superior Vena Cava / Pulmonary Trunk
Left Pulmonary Artery / Left Pulmonary Veins / Right Pulmonary Artery
Right Pulmonary Veins / Right Atrium / Right Ventricle
Left Atrium / Left Ventricle / Inferior Vena Cava
Coronary Artery


2. Contrast the functions of coronary arteries and coronary veins.

3. Click Arteries and Arterioles, and locate each of the following.
Arteriole (from the heart)
Smooth muscle
Precapillary sphincters
Capillary
Venule (to the heart)

4. From the Arteries and Arterioles screen, identify each of the following parts of an artery:

Tunica externa

Tunica media

Tunica interna

Lumen

5. Click Veins and Venules and identify each of the following:

Tunica externa

Tunica media

Valve

Tunica interna

Lumen


6. Click Blood and identify each of following. Know each by sight.

Plasma

Erythrocytes

Platelets

White blood cells

Monocytes

Neutrophils

Eosinophils

Basophils

Lymphocytes

a. Describe four general blood functions:

1. Transport

2. pH

3. Protection following injury

4. Protection from disease

b. Follow the Plasma link for additional information.

1. What is the general function of plasma proteins, albumin, globulin, and fibrinogen?


2. More specifically, what is the function of these plasma proteins:

albumin

globulin

fibrinogen

3. How much of blood volume is:

blood proteins

water

other solutes

c. Follow the Erythrocyte link for additional information.

What is the role of the heme molecules?

Explain one method of carbon dioxide transport (there is another).

7. Click Capillaries and identify each of the following:

Arteriole

Capillary

Venule

Plasma

Red Blood Cell

a. Describe capillary function.